<template>
	<view class="detailContainer">
		<view class="header">
			<icon class="iconfont icon-shouye2"></icon>
			<text>网易严选 </text>
			<view class="shopCart" >
				<icon class="iconfont icon-gouwuche2"></icon>
				<text class="count">1</text>
			</view>
		</view>
		
		<!-- 内容区 -->
		<scroll-view class="content" scroll-y="true">
			<image class="detailImg" :src="goodsInfo.listPicUrl" mode=""></image>
			<view class="tag">{{goodsInfo.promTag}}</view>
			<text class="price">￥ {{goodsInfo.retailPrice}}</text>
			<view class="info">{{goodsInfo.name}}</view>
			
			
			<!-- 准备内容 -->
			<view class="list" style="margin-left: 5%;font-size: 28upx;line-height: 50upx;">
				<view>1) 100%桑蚕丝填充，丝丝精粹不掺杂</view>
				<view>2) 创新井字拉网工艺，桑蚕丝不易黏连结块</view>
				<view>3) 两种面料可选，贡缎手感细腻，竹棉清爽透气</view>
				<view>4) AB双面设计，多种活性印花不易褪色</view>
			</view>
		</scroll-view>
		
		<!-- 底部导航 -->
		<view class="detailFooter">
			<image class="service" src="http://yanxuan-static.nosdn.127.net/hxm/yanxuan-wap/p/20161201/style/img/icon-normal/detail-kefu-d10f0489d2.png?imageView&type=webp" mode=""></image>
			<view class="btn buyNow">立即购买</view>
			<view  class="btn addShopCart" @click="addShopCart">加入购物车</view>
		</view>
	</view>
</template>

<script>
	import {mapState} from 'vuex'
	export default {
		data(){
			return {
				goodsInfo:{}
			}
		},
		// 如果是路由传参
		// onLoad(options) {
		// 	this.goodsInfo = JSON.parse(options.goodsInfo) 
		// }
		
		// 如果是存储方案
		beforeMount() {
			this.goodsInfo = wx.getStorageSync('goodsInfo_key')
		},
		
		computed:{
			...mapState({
				cartList:state=>state.cart.cartList
			})
		},
		
		methods:{
			addShopCart(){
				//点击添加购物车
				//首先要判断购物车列表当中是否存在当前这个商品相关的购物车数据
				let obj = this.cartList.find(item=>item.id === this.goodsInfo.id)
				if(obj){
					//如果有:直接修改数量
					obj.count++
					obj.isChecked = true
				}else{
					//如果没有，需要吧当前这个详情页商品数据变为购物车数据，添加到购物车列表
					obj = this.goodsInfo
					this.$set(obj,'count',1)
					this.$set(obj,'isChecked',true)
					this.cartList.push(obj)
				}
			}
		}
		
	}
</script>

<style lang="stylus">
	.detailContainer
		width 100%
		display flex
		flex-direction column
		.header
			height 90upx
			line-height 90upx
			background #FFFFFF
			display flex
			text-align center
			.iconfont
				width 90upx
				height 90upx
				font-size 50upx
			text
				flex 1
			.shopCart
				position relative
				.count
					color red
					position absolute
					top -25upx
					right 5upx
					font-size 26upx
		.content
			height calc(100vh - 190upx)
			.detailImg
				width 100%
				height 750upx
			.tag
				width 90%
				height 100upx
				line-height 100upx
				text-align center
				font-size 32upx
				color #FFFFFF
				margin 20upx auto
				background #BB2C08
				border-radius 10upx
			.price
				font-size 50upx
				color #DD1A21
				line-height 70upx
				margin-left 5%
			.info
				font-size 28upx
				color #333
				margin-left 5%
		.detailFooter
			position fixed
			bottom 0
			left 0
			height 100upx
			line-height 100upx
			border-top 1upx solid #EEEEEE
			display flex
			background #fff
			.service
				width 60upx
				height 60upx
				margin 20upx 40upx
			.btn
				width 305upx
				height 100%
				text-align center
				font-size 28upx
				&.buyNow
					color #333
					border-left 1upx solid #eee
				&.addShopCart
					background #DD1A21
					color #fff
				
</style>

